Think of one example where Bob would need to calculate the net force on a person at the water park.

An example of the scenario where Bob would need to calculate the net force will be when there's someone going down on a water slide.
The net force refers to the sum of the forces that act on an object. Net force is vital for the acceleration of mass.
For example, when we kick a football, the ball takes off and then moves through the air. In this case, a net force acts on the football.
Also, when there's someone going down on a water slide, the net force can be calculated.
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